Marie had 10 1/2
feet of ribbon to make bows. Each bow required
3/4
foot of ribbon. She used the following steps to find the number of bows she could make with the ribbon.

Step 1:
10 1/2 ÷ 3/4
Step 2:
21/2 ÷ 3/4
Step 3:

Step 4:
84/6
Step 5:
14
Which expression best represents the expression Marie should have used in Step 3?
A 2/21 ÷ 4/3

b 2 21 ÷ 4 3

2/21 ÷ 4/3

2/21 ÷ 3/4

21/2 × 4/3

21/2 × 4/3

21/2 × 3/4

21/2 × 3/4